Re: Building eBPF programs

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On Thu, 17 Oct 2019 22:21:39 +0100
Tom Hughes <tom@xxxxxxxxxx> wrote:

> On 17/10/2019 21:39, Steve Grubb wrote:
> > On Thursday, October 17, 2019 4:21:44 PM EDT Tom Hughes wrote:
> >> On 17/10/2019 20:44, Steve Grubb wrote:
> >>> I don't think __x86_64__ is defined as the program is aimed at
> >>> eBPF in the
> >>> kernel. In rawhide, we no longer have glibc-devel(x86-32) to
> >>> allow this to
> >>> resolve. However, I think that the assumption of not having
> >>> __x86_64__ defined means we are targeting i686 is wrong. What
> >>> should I do? Do we not support eBPF programs on Fedora?
> >>
> >> I can still see glibc-devel.i686 in rawhide which provides that.
> > 
> > In rawhide I got [1]:
> > 
> > No matching package to install: 'glibc-devel(x86-32)'
> > 
> > But on my local system, F30, it works fine.
> 
> I just tried it with mock on F30:
> 
> mock -r fedora-rawhide-x86_64 --install 'glibc-devel(x86-32)'
> 
> and that worked fine.
> 
> >> As far as I know the 32 bit multilib packages aren't going away.
> > 
> > Hmm. I still wonder if the headers might need reworking to not
> > assume 32 bit if the target is bpf.
> 
> I don't know enough about how the BPF backend works to be
> able to comment on that.

I guess the problem will be building in koji, it isn't multi-lib
capable.


		Dan
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